energy is on the mind of this twitter viewer. he would like to ask, with the candidate support chemical disclosure of hydraulic fracturing fluids? our next caller is a democrat from massachusetts. hello. you are on. caller: hello. i'd like to ask both of mount why the fda has kept drugs on the market? >> thank you. he is interested in drugs and drug pricing. daniel, you are on as a republican. what city are you calling from? >> i am calling from nevada. >> what would you ask if you could? caller: i would ask both of them about the real truth about the health care plan and then saying that it will not costs the american people anything. it will cause in the american people ought to 45%. i want them to answer that question how it will not affect the middle class when it actually will. >> thank you for your call and your question. you can see the audion -- auditorium is quite full. it seats normally about 7000. you can see lots of activity with people as they get to those coveted places that they have it tonight. next up is the pres